77mm Pro Series Soft Rubber Lens Hood For Pentax Zoom Super Wide-Telephoto SMCP-DA* 16-50mm f/2.8 ED AL (IF) SDM Autofocus Lens, Pentax Zoom Super Wide Angle SMCP-DA 12-24mm f/4 ED AL (IF) Autofocus Lens This lens hood prevents image-degrading lens flare by blocking stray light from striking the surface of the lens It protects lenses from expensive front element damage Protects the front barrel from the inevitable impacts against walls, door frames, and other real-life obstacles. Microfiber Cloth 77mm Soft Rubber Lens Hood